Starter quiz
- Select the numbers which are multiples of both 4 and 8
- 2
- 4
- 8 ✓
- 13
- 24 ✓
-
- 8 × 9 can help you to solve which of these multiplication equations?
- 8 × 90 = ✓
- 80 × 9 = ✓
- 6 × 5 =
- 5 × 7 =
-
- Match the expressions on the left which can help you to solve the expressions on the right.
- 8 × 4⇔8 × 40 ✓
- 4 × 6⇔60 × 4 ✓
- 2 × 8⇔20 × 8 ✓
- 6 × 9⇔6 × 90 ✓
- If 4 × 4 = 16 then 40 × 4 = ______
- '160' ✓
- Complete: If 8 × 8 = 64 then 80 × 8 = ______
- '640' ✓
- Andeep has collected 5 packets of 8 guinea cards. Izzy has collected 10 times as many as Andeep. How many guinea cards does Izzy have?
- '400' ✓
Exit quiz
Which equations does this array represent?- 3 × 4 = ✓
- 4 × 3 = ✓
- 3 × 5 =
- 3 + 4 =
- 3 + 3 + 3 =
-
Which division equation does this array represent?- 20 ÷ 3 =
- 20 ÷ 4 = ✓
- 20 ÷ 5 = ✓
- 20 + 5 =
-
Fill in the gap in this diagram showing related facts. 80 ÷ 4 = ___- 2
- 20 ✓
- 200
-
Fill in the gap in this diagram showing related facts. ______ ÷ 2 = 20- '40' ✓
Use your knowledge of times tables to fill in the gap.- '80' ✓
Fill in the gap. The same number can be written in both.- '200' ✓
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Division is the inverse of multiplication
- If you know that 3 groups of 4 are equal to 12 then there are 3 groups of 4 in 12
- If you know there are 3 groups of 4 in 12 then there are 3 groups of 4 tens in 12 tens
Common misconception
Lack of fluency in 2s, 4s and 8s times tables and not understanding the divisibility rules or the problems.
To clearly model use of gattegno chart or place value chart to highlight scaling up and down by 10. Highlight key words of worded problems to understand the problem and the operation required for the calculation.
Keywords
Scale / scaling - Scaling is when a given quantity is made ___ times the size. In this lesson, scaling will involve making values 10 times the size.
Inverse - Inverse means the opposite in effect. The reverse of.
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